If you describe someone as ~, you mean that they are sensible and think clearly, especially in difficult situations.
...his ~ grasp of the laws of economics.
ADJ approval
If you describe someone as ~, you mean that they are sensible and think clearly, especially in difficult situations.
...his ~ grasp of the laws of economics.
ADJ approval
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012